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What is the Least Common Multiple of 31303 and 31320?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 31303 and 31320 is 980409960.

LCM(31303,31320) = 980409960

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Least Common Multiple of 31303 and 31320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31303 and 31320, than apply into the LCM equation.

GCF(31303,31320) = 1
LCM(31303,31320) = ( 31303 × 31320) / 1
LCM(31303,31320) = 980409960 / 1
LCM(31303,31320) = 980409960

Least Common Multiple (LCM) of 31303 and 31320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31303 and 31320. First we will calculate the prime factors of 31303 and 31320.

Prime Factorization of 31303

Prime factors of 31303 are 23, 1361. Prime factorization of 31303 in exponential form is:

31303 = 231 × 13611

Prime Factorization of 31320

Prime factors of 31320 are 2, 3, 5, 29. Prime factorization of 31320 in exponential form is:

31320 = 23 × 33 × 51 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 31303 and 31320.

LCM(31303,31320) = 231 × 13611 × 23 × 33 × 51 × 291
LCM(31303,31320) = 980409960